Shia LaBeouf is a Space Cadet: Late Last Night

Shia LaBeouf sat down on Jimmy Kimmel Live! last night to promote the opening of Transformers: Dark of the Moon. LaBeouf and Jimmy discussed the zen of Justin Bieber, his admiration for Buzz Aldrin, and the new romance in his life.

Also plugging Transformers, Patrick Dempsey appeared on Lopez Tonight, discussing his car racing exploits and his secret Hawaiian vacation island.

David Letterman welcomed Julia Roberts to The Late Show, but the interview was interrupted by a very excited surprise guest.